package bishi.day05_4_22;

public class Main {
    public static void main(String[] args) {
       StringBuffer a = new StringBuffer("A");
       StringBuffer b = new StringBuffer("B");
       c(a,b);
        System.out.println(a + " "+b);
    }
    public  static  void  c(StringBuffer x,StringBuffer y)  {
        x.append(y);
        y = x;
    }
    public static boolean das(){
        try{
            return true;
        }catch (Exception e){

        }finally {
            return false;

        }
    }
}
